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Search took 0.01 seconds. Search: Posts Made By: rufcar
Forum: C4 ZR-1 Technical Postings 10-29-2024
Replies: 28
Views: 4,176
Posted By rufcar
Re: High/Hanging Idle

I have noticed that even mu 08 zo6 does a similar act. I recently made my 90 zr1 do that on purpose as it solved my stalling issues. I know they all operate similarly though not exactly correctly. I...
Forum: C4 ZR-1 Technical Postings 10-04-2024
Replies: 8
Views: 3,333
Posted By rufcar
Re: Full power all the time?

I have the Haibeck chip and I leave the key is as its always on.
Forum: C4 ZR-1 General Postings 09-29-2024
Replies: 10
Views: 4,454
Posted By rufcar
Re: WAZOO Maintenance Day

it was pouring here this am and rained all day. Thats why we didn't make it. Hope you had a great turn out. Maybe next time? Tkx for the invite ! Jim f
Forum: C4 ZR-1 General Postings 09-25-2024
Replies: 3
Views: 2,462
Posted By rufcar
Re: 777 mile '19 ZR1 sells for $252k on BaT!

They don't need the super expensive repairs that Ferrari's always need either.
Forum: C4 ZR-1 Technical Postings 09-17-2024
Replies: 5
Views: 4,471
Posted By rufcar
Re: 90 stalling issue solved

Graham, we tried all the standard procedures. My computer on his car would not stall his car. His computer in my car still stalled. Changed all the sensors, did all the step counts, checked pump...
Forum: C4 ZR-1 Technical Postings 09-17-2024
Replies: 5
Views: 4,471
Posted By rufcar
90 stalling issue solved

In the end my friend has a 91 and we swapped his parts to mine and vice versa. Nothing helped, then he remembered from his days in GM class about how gm could not solve the problem but came up with...
Forum: C4 ZR-1 Technical Postings 09-06-2024
Replies: 44
Views: 32,123
Posted By rufcar
Re: New replacement windshields

Mike i think you are correct as it is an older issue and I didn't notice that Sorry. . Then again, I spoke to a board member at Carlisle, and he told me it was to be brought up at their next board...
Forum: C4 ZR-1 Technical Postings 09-04-2024
Replies: 44
Views: 32,123
Posted By rufcar
Re: New replacement windshields

The president has it mentioned in his letter in the current heart of the beast issue here online. They are still pursuing it.
Forum: C4 ZR-1 Technical Postings 08-20-2024
Replies: 4
Views: 6,899
Posted By rufcar
Re: more info on frame sensors

they are on all the c4 zr1s. There are 2 one below the battery on the frame and one just on the opposite side. GM installed them in case of a front-end collision, it stops your fuel pumps from...
Forum: C4 ZR-1 Technical Postings 08-19-2024
Replies: 4
Views: 6,899
Posted By rufcar
more info on frame sensors

I did both my sensors last yr on my 90 zr1. By spring both lights came back on. I reset them, that lasted 2 days. Somewhere I read adding a 2nd ground might help. I pulled the driver's side panel,...
Forum: C4 ZR-1 General Postings 08-15-2024
Replies: 10
Views: 4,073
Posted By rufcar
Re: Heading To The US - Try a Different Oil? BradPenn?

I live in PA and Brad Penn, now called Penn Grade is made here. Marc H says its a great equal and since I stock it for other cars I use it. In Bulk 3 case lots I paid around 5.50 a qt. not sure what...
Forum: C4 ZR-1 General Postings 08-10-2024
Replies: 0
Views: 1,634
Posted By rufcar
My Zr1 and more on youtube!

https://youtu.be/m22uqDgnxxk

had a fun time with it!
Forum: C4 ZR-1 General Postings 08-06-2024
Replies: 12
Views: 4,860
Posted By rufcar
Re: Big Changes in my Z life

z51jeff I had my motor/mast removed but could not get to the area to unplug it? I dont know how to remove the roll up screen in the rear as at 75 I could not get into the back of the car to see how...
Forum: C4 ZR-1 Technical Postings 07-27-2024
Replies: 22
Views: 21,341
Posted By rufcar
Re: Challenges setting minimum idle air.

My 90 has been doing the exact same thing. I did install a NOS IAC and it seemed to help but does stall when cold. Today its stalled 3 times from my garage to my home which is 3 stops and about...
Forum: C4 ZR-1 General Postings 07-06-2024
Replies: 12
Views: 6,546
Posted By rufcar
Re: Any one keeping details on average mile on 90's

My 90 # 2815 just turned 42K miles I own it appox 14 months and put on over 2k mi. I have 8 cars so its hard putting many miles on it as I alternate driving all the cars all the time. I am the 7th...
Forum: C4 ZR-1 Technical Postings 06-25-2024
Replies: 5
Views: 10,132
Posted By rufcar
Re: Stalling at quick stops

yes Hibeck
Forum: C4 ZR-1 Technical Postings 06-23-2024
Replies: 16
Views: 16,541
Posted By rufcar
Re: ZR-1 Oil Change

The correct Blue filter has an anti drain back valve in it. You wont spill any. I always do all my cars cold. I know most use AMSOIL I used Brad Penn or now called Penn Grade. Hibeck told me its good...
Forum: C4 ZR-1 Technical Postings 06-20-2024
Replies: 5
Views: 10,132
Posted By rufcar
Re: Stalling at quick stops

did not check it as I know its been replaced by a proper GM unit about 3k mi ago.
Forum: C4 ZR-1 Technical Postings 06-20-2024
Replies: 5
Views: 10,132
Posted By rufcar
Stalling at quick stops

My 90 zr1 started to stall when going from say, 40 to a stop. Turn the it fires right up. I spoke to Hibeck and he said just try and downshift to a stop. I have done that for the last 6 or more...
Forum: C4 ZR-1 General Postings 06-12-2024
Replies: 7
Views: 3,541
Posted By rufcar
Re: Anyone in North Alabama have a C4 ZR1

I am in PA but pretty sure my 90 started life in Huntsville. It spent its life in the south then CO and finally CA now in PA. Mine had many upgrades by others including the ZF DOC gearbox. Its a...
Forum: C4 ZR-1 General Postings 06-04-2024
Replies: 3
Views: 3,445
Posted By rufcar
Re: Private messages?

Just checked mine it seems ok. There is a limit, did you delete the old messages to clear it out?
Forum: C4 ZR-1 Technical Postings 05-07-2024
Replies: 11
Views: 22,579
Posted By rufcar
Re: 1990 AC question

I just did my 88 I did the ne compressor last yr in my 90 zr1 also. The compressor wont kick in with too low freon plus as you add it the sensor has the compressor kick on and off frequently as you...
Forum: C4 ZR-1 Technical Postings 03-13-2024
Replies: 44
Views: 32,123
Posted By rufcar
Re: New replacement windshields

My 90 is getting harder to see a little more every day and its in a heated garage but I do drive it as often as I can. I am giving up on waiting for a replacement and I soon plan to reschedule...
Forum: C4 ZR-1 Technical Postings 03-13-2024
Replies: 28
Views: 21,150
Posted By rufcar
Re: Jack... in spare?

My 90 had none of that but the way spork 2367 has it is the exact way it should be on a 90. I rewrapped my bag with another type bag just in case. I found all the missing parts on ebay. Every later...
Forum: C4 ZR-1 General Postings 03-10-2024
Replies: 26
Views: 6,790
Posted By rufcar
Re: A question for the longtime owners.

I acquired my 90 Z this time last year on a whim. I, like others here, have had a lot of cars 101 last count. I have been restoring them a long time but more so since retirement in 2010 (I'm 74) When...
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